when i was out in l.a. >> dr. gupta? >> yes, sir. >> you're it. >> max paige only knows one speed, full steam ahead. you've probably seen max before, even though you might not know it. remember this volkswagen ad from super bowl xlv? darth vader? nope. just max. >> yeah, we have that. >> within near seconds of meeting him, max was asking about my daughters. >> three girls. >> let me guess. 10-year-old and -year-old and 6-year-old. >> you got it. how did you know? >> we're at the children's hospital open laengz with max and his brother to see dr. soka. >> do you see to see your pacemaker check? >> yes. max has a pacemaker. actually, it's his third and he's only 6 years old. for parents jennifer and buck, the first sign of trouble came before max was even born. >> at my 38-week appointment, we found out that max had structural damage to his heart. they couldn't get a good heartbeat. they took an emergency c section, born in a whirlwind. >> the last thought i remember is it's almost hopelessness because it's out of my control. >> i just said, i don't understand anything you're going to do.